. >> reporter: barack obama -- president obama takes aim at a town hall in montana. >> they won't be able to arbitrate on the amount of coverage you can receive in a given year or lifetime. >> reporter: his plan will prohibit insurance companies from dropping or not allowing coverage for those severely ill. lawmakers -- . >> what you haven't seen on tv and what makes me proud are the many constructive meetings going on all over the country. >> reporter: people packed the small airplane hangar, an area considered more conservative. >> you can't tell us how you're going to pay for this. the only way you're going to get that money is to raze our taxes. you said you -- race our taxes. you said you wouldn't. >> reporter: the president's ut infomercial. >> this is nothing more than a soapbox for the president. not an opportunity for the american people to come out and voice their concerns but a quay for him to pick back. >> reporter: the town hall circuit has been nerveracking for some lawmakers, none more so than arlen specter. >> what i can do this week, i have done. i have gone out and